Display WiFi Version number

- Display these type and hide the item in other case
   WIFI_STANDARD_11AX(6) WiFi 6
   WIFI_STANDARD_11AC(5) WiFi 5
   WIFI_STANDARD_11N (4) WiFi 4

-Screenshot
 https://photos.app.goo.gl/BbyZEQFyganEPfuw8

Bug: 117216087
Test: manual test
make RunSettingsRoboTests ROBOTEST_FILTER=WifiDetailPreferenceController2Test

Change-Id: Ic360e501d2e3bd80ce3bcb3ddf529ec5d00c1bcc

res/values/strings.xml

@@ -2314,6 +2314,8 @@
     <string name="wifi_details_title">Network details</string>
     <!-- Wifi details preference title to display router IP subnet mask -->
     <string name="wifi_details_subnet_mask">Subnet mask</string>
+    <!-- Wifi details preference title to display wifi type info [CHAR LIMIT=50]-->
+    <string name="wifi_type_title">TYPE</string>
     <!-- Wifi details preference title to display router DNS info -->
     <string name="wifi_details_dns">DNS</string>
     <!-- Wifi details preference category title for IPv6 information -->
@@ -2349,6 +2351,12 @@
     <string name="wifi_gateway">Gateway</string>
     <!-- Label for the network prefix of the network [CHAR LIMIT=25]-->
     <string name="wifi_network_prefix_length">Network prefix length</string>
+    <!-- Summary for the WiFi Type WIFI_STANDARD_11AX [CHAR LIMIT=50]-->
+    <string name="wifi_type_11AX">Wi\u2011Fi 6</string>
+    <!-- Summary for the WiFi Type WIFI_STANDARD_11AC [CHAR LIMIT=50]-->
+    <string name="wifi_type_11AC">Wi\u2011Fi 5</string>
+    <!-- Summary for the WiFi Type WIFI_STANDARD_11N  [CHAR LIMIT=50]-->
+    <string name="wifi_type_11N">Wi\u2011Fi 4</string>
 
     <!-- Wi-Fi p2p / Wi-Fi Direct settings -->
     <!-- Used in the 1st-level settings screen to launch Wi-fi Direct settings [CHAR LIMIT=25] -->

res/xml/wifi_network_details_fragment2.xml

@@ -100,6 +100,11 @@
     <PreferenceCategory
             android:key="ip_details_category"
             android:title="@string/wifi_setup_detail">
+        <Preference
+                android:key="type"
+                android:title="@string/wifi_type_title"
+                android:selectable="false"
+                settings:enableCopying="true"/>
         <Preference
                 android:key="ssid"
                 android:title="@string/wifi_advanced_ssid_title"

src/com/android/settings/wifi/details2/WifiDetailPreferenceController2.java

@@ -42,6 +42,7 @@ import android.net.NetworkInfo;
 import android.net.NetworkRequest;
 import android.net.RouteInfo;
 import android.net.Uri;
+import android.net.wifi.ScanResult;
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
@@ -155,6 +156,8 @@ public class WifiDetailPreferenceController2 extends AbstractPreferenceControlle
     static final String KEY_IPV6_CATEGORY = "ipv6_category";
     @VisibleForTesting
     static final String KEY_IPV6_ADDRESSES_PREF = "ipv6_addresses";
+    @VisibleForTesting
+    static final String KEY_WIFI_TYPE_PREF = "type";
 
     private final WifiEntry mWifiEntry;
     private final ConnectivityManager mConnectivityManager;
@@ -186,6 +189,7 @@ public class WifiDetailPreferenceController2 extends AbstractPreferenceControlle
     private Preference mGatewayPref;
     private Preference mSubnetPref;
     private Preference mDnsPref;
+    private Preference mTypePref;
     private PreferenceCategory mIpv6Category;
     private Preference mIpv6AddressPref;
     private Lifecycle mLifecycle;
@@ -382,6 +386,7 @@ public class WifiDetailPreferenceController2 extends AbstractPreferenceControlle
         mGatewayPref = screen.findPreference(KEY_GATEWAY_PREF);
         mSubnetPref = screen.findPreference(KEY_SUBNET_MASK_PREF);
         mDnsPref = screen.findPreference(KEY_DNS_PREF);
+        mTypePref = screen.findPreference(KEY_WIFI_TYPE_PREF);
 
         mIpv6Category = screen.findPreference(KEY_IPV6_CATEGORY);
         mIpv6AddressPref = screen.findPreference(KEY_IPV6_ADDRESSES_PREF);
@@ -552,6 +557,8 @@ public class WifiDetailPreferenceController2 extends AbstractPreferenceControlle
         refreshEapSimSubscription();
         // MAC Address Pref
         refreshMacAddress();
+        // Wifi Type
+        refreshWifiType();
     }
 
     private void refreshRssiViews() {
@@ -749,6 +756,36 @@ public class WifiDetailPreferenceController2 extends AbstractPreferenceControlle
         }
     }
 
+    private void refreshWifiType() {
+        final ConnectedInfo connectedInfo = mWifiEntry.getConnectedInfo();
+        if (connectedInfo == null) {
+            mTypePref.setVisible(false);
+            return;
+        }
+
+        final int typeString = getWifiStandardTypeString(connectedInfo.wifiStandard);
+        if (typeString != -1) {
+            mTypePref.setSummary(typeString);
+            mTypePref.setVisible(true);
+        } else {
+            mTypePref.setVisible(false);
+        }
+    }
+
+    private int getWifiStandardTypeString(int wifiStandardType) {
+        Log.d(TAG, "Wifi Type " + wifiStandardType);
+        switch (wifiStandardType) {
+            case ScanResult.WIFI_STANDARD_11AX:
+                return R.string.wifi_type_11AX;
+            case ScanResult.WIFI_STANDARD_11AC:
+                return R.string.wifi_type_11AC;
+            case ScanResult.WIFI_STANDARD_11N:
+                return R.string.wifi_type_11N;
+            default:
+                return -1;
+        }
+    }
+
     private int getMacAddressTitle() {
         if (mWifiEntry.getPrivacy() == WifiEntry.PRIVACY_RANDOMIZED_MAC) {
             return mWifiEntry.getConnectedState() == WifiEntry.CONNECTED_STATE_CONNECTED

tests/robotests/src/com/android/settings/wifi/details2/WifiDetailPreferenceController2Test.java

@@ -52,6 +52,7 @@ import android.net.NetworkInfo;
 import android.net.NetworkRequest;
 import android.net.RouteInfo;
 import android.net.Uri;
+import android.net.wifi.ScanResult;
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiEnterpriseConfig;
 import android.net.wifi.WifiInfo;
@@ -83,6 +84,7 @@ import com.android.settingslib.widget.LayoutPreference;
 import com.android.wifitrackerlib.NetworkDetailsTracker;
 import com.android.wifitrackerlib.WifiEntry;
 import com.android.wifitrackerlib.WifiEntry.ConnectCallback;
+import com.android.wifitrackerlib.WifiEntry.ConnectedInfo;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -189,6 +191,8 @@ public class WifiDetailPreferenceController2Test {
     @Mock
     private Preference mMockDnsPref;
     @Mock
+    private Preference mMockTypePref;
+    @Mock
     private PreferenceCategory mMockIpv6Category;
     @Mock
     private Preference mMockIpv6AddressesPref;
@@ -390,6 +394,8 @@ public class WifiDetailPreferenceController2Test {
                 .thenReturn(mMockSubnetPref);
         when(mMockScreen.findPreference(WifiDetailPreferenceController2.KEY_DNS_PREF))
                 .thenReturn(mMockDnsPref);
+        when(mMockScreen.findPreference(WifiDetailPreferenceController2.KEY_WIFI_TYPE_PREF))
+                .thenReturn(mMockTypePref);
         when(mMockScreen.findPreference(WifiDetailPreferenceController2.KEY_IPV6_CATEGORY))
                 .thenReturn(mMockIpv6Category);
         when(mMockScreen.findPreference(WifiDetailPreferenceController2.KEY_IPV6_ADDRESSES_PREF))
@@ -930,6 +936,44 @@ public class WifiDetailPreferenceController2Test {
         verify(mMockDnsPref).setVisible(false);
     }
 
+    @Test
+    public void onConnectedNetwork_getKnownNetworkType_visibleWifiTypePref() {
+        setUpForConnectedNetwork();
+        setUpSpyController();
+        setWifiType(ScanResult.WIFI_STANDARD_11AX);
+
+        displayAndResume();
+
+        verify(mMockTypePref).setSummary(R.string.wifi_type_11AX);
+        verify(mMockTypePref).setVisible(true);
+    }
+
+    @Test
+    public void onConnectedNetwork_getUnKnownNetworkType_invisibleWifiTypePref() {
+        setUpForConnectedNetwork();
+        setUpSpyController();
+        setWifiType(ScanResult.WIFI_STANDARD_UNKNOWN);
+
+        displayAndResume();
+
+        verify(mMockTypePref).setVisible(false);
+    }
+
+    @Test
+    public void onDisconnectedNetwork_resumeUI_invisibleWifiTypePref() {
+        setUpForDisconnectedNetwork();
+
+        displayAndResume();
+
+        verify(mMockTypePref).setVisible(false);
+    }
+
+    private void setWifiType(int type) {
+        ConnectedInfo connectedInfo = new ConnectedInfo();
+        connectedInfo.wifiStandard = type;
+        when(mMockWifiEntry.getConnectedInfo()).thenReturn(connectedInfo);
+    }
+
     @Test
     public void noCurrentNetwork_shouldNotFinishActivityForConnectedNetwork() {
         setUpForConnectedNetwork();